<style lang="less">
    .card-3d{
        width: 200px;
        height: 300px;
        transition: all .2s;
        position: relative;
        perspective: 1500px;
        background-color: transparent;
        pointer: cursor;
        .card{
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            transition: all 1s;
            backface-visibility: hidden;
            border-radius: 4px;
            border: 1px solid #e8eaec;
            &:hover{
                box-shadow: 0 1px 6px rgba(0,0,0,.2);
                border-color: #eee;
            }
            &.card-z{
                background-color: red;
            }
            &.card-f-y{
                transform: rotateY(-180deg);
            }
            &.card-f-x{
                transform: rotateX(-180deg);
            }
        }
    }
</style>
<template>
    <div class="card-3d" @click="eve_cardres_click" @mouseover="eve_cardres_msover" @mouseout="eve_cardres_msout">
        <div class="card card-z" ref="cardz">
            <slot name="cz"></slot>
        </div>
        <div :class="['card',direction=='row'?'card-f-y':'card-f-x']" ref="cardf">
            <slot name="cf"></slot>
        </div>
    </div>
</template>
<script>
    export default {
        props:{
            trigger:{ //触发方式 hover click custom
                type:String,
                default: 'click' //默认点击触发
            },
            value:{ //正反面
                type:Boolean,
                default:true
            },
            direction:{ //方向 row col
                type:String,
                default:'row'
            }
        },
        data() {
            return {
                surface:true
            }
        },
        watch:{
            value(bool){//自定义触发方式
                if(this.trigger == 'custom')this.fn_reserve_action(bool)
            }
        },
        methods: {
            fn_reserve_action(bool){
                var arr = this.direction == 'row'?['rotateY(180deg)','rotateY(0deg)']:['rotateX(-180deg)','rotateX(0deg)']
                this.$refs.cardz.style.transform = bool?arr[0]:arr[1]
                this.$refs.cardf.style.transform = !bool?arr[0]:arr[1]
            },
            eve_cardres_click(){
                if(this.trigger == 'click'){
                    this.fn_reserve_action(this.surface)
                    this.surface = !this.surface
                }
            },
            eve_cardres_msover(){
                if(this.trigger == 'hover')this.fn_reserve_action(true)
            },
            eve_cardres_msout(){
                if(this.trigger == 'hover')this.fn_reserve_action(false)
            }
        }
    }
</script>